The sigmoid colon is located on the left side of the abdomen ... Less common symptoms of diverticulitis can include: ...

Diverticulosis references the diverticula, or small bulging pouches that develop over time in the colon. Diverticulitis ... The most common symptom is left lower quadrant pain.

Proctosigmoiditis is a form of left-sided ulcerative colitis that affects the rectum and sigmoid colon rather than a larger area of the colon. It usually causes diarrhea. Proctosigmoiditis affects ...

The incidence of right-sided colon cancers has increased since the 1980s, while the incidence of left-sided colon cancers has decreased. Numerous hypotheses have been proposed to explain this ...